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Abstract
Objective: To evaluate the outcomes of subsequent pregnancies in patients with a history of cesarean scar pregnancy (CSP) treated with high intensity focused ultrasound (HIFU) followed by ultrasound-guided dilation and curettage (USg-D&C).
Methods: A retrospective analysis was performed on data collected from 154 patients with CSP who were treated by HIFU followed by USg-D&C in Suining Central Hospital between January 2015 and January 2018. Among them, 28 patients wanted to conceive following treatment. Baseline characteristics, treatment results, intraoperative hemorrhages during USg-D&C, post-curettage serum beta human chorionic gonadotropin (β-hCG) levels and vaginal bleeding were investigated. Subsequent pregnancy outcomes, including intervals between pregnancy and treatment of CSP, complications during pregnancy, and outcomes of newborns were evaluated.
Results: All patients with CSP were successfully treated by HIFU combined with USg-D&C. Of the 28 CSP patients who intended to conceive after the treatment, 23 patients (82.14%) successfully conceived. The average interval between conception and HIFU treatment was 18.38 ± 10.04 months. Eighteen patients (78.26%) had an intrauterine pregnancy, in which 12 had delivery by cesarean section, 1 had an ongoing pregnancy, and 5 had an abortion in the first trimester. Among the other 5 women, 3 had tubal ectopic pregnancy and 2 had recurrent CSP. These five patients underwent laparoscopy within the first trimester.
Conclusion: HIFU followed by USg-D&C is an effective and safe treatment for patients with CSP who wish to conceive. Prospective multi-center studies with larger sample sizes and longer follow-up periods are needed to compare this treatment with others.
Disclosure statement
L.Z. is a senior consultant to Chongqing Haifu. The other authors report no conflict of interest to declare. The authors alone are responsible for the content and writing of the paper.